<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>上传文件示例</h1>
<form action="/upload" method="post" enctype="multipart/form-data" >
    <input type="file" name="file"><br><br>
    <input type="submit" value="提交">
</form>
</body>
</html>